AM/FM radio receiver and local oscillator circuit used therein

AM/FM radio with sunglass housing

AM/FM receiver with automatic tuning system

AM/FM receiver with insertable memory card and display of freque

Amplication of optical signals

Amplifier

Amplifier

Amplifier and portable telephone apparatus using the same

Amplifier apparatus and method for controlling a local...

Amplifier assembly including variable gain amplifier,...

Amplifier assembly, receiver comprising said assembly and...

Amplifier circuit

Amplifier circuit and receiving device

Amplifier circuit arrangement for alternatively processing a...

Amplifier circuit for an intermediate-frequency signal of a radi

Amplifier device for a cable television distribution network

Amplifier for use with local oscillators

Amplifier provided at output stage of intermediate frequency amp

Amplifier with detuned test signal cancellation for improved wid

Amplifiers and amplifying methods for use in...